/* ====== UTILITIES & HELPERS ====== */

.progress-container {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 101;
    width: 100%;
    height: 5px;
}

.progress-bar {
    width: 0%;
    height: 100%;
    background: var(--secondary-color);
    transition: width 0.1s linear;
}

.back-to-top-btn {
    display: block;
    position: fixed;
    bottom: var(--space-m);
    right: var(--space-m);
    z-index: 99;
    padding: var(--space-xs) var(--space-s);
    background-color: var(--bg-light);
    border: 2px solid var(--primary-color);
    outline: none;
    color: var(--primary-color);
    cursor: pointer;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
}

.back-to-top-btn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top-btn:hover {
    background-color: var(--primary-color);
    color: var(--bg-light);
}

.takeaway-box {
    margin: var(--space-l) 0;
    padding: var(--space-m) var(--space-l);
    background-color: rgba(163, 217, 233, 0.05);
    border-left: 4px solid var(--accent-color);
}

.takeaway-box p {
    margin: 0;
    font-size: var(--fs-500);
    line-height: 1.7;
}

.takeaway-box strong {
    display: inline;
    margin-right: var(--space-xs);
    color: var(--accent-color);
    font-size: 1.3rem;
}

.tooltip {
    position: relative;
    cursor: help;
    text-decoration: underline;
    text-decoration-color: var(--accent-color);
    text-decoration-style: dotted;
    text-underline-offset: 4px;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    z-index: 10;
    width: 300px !important;
    padding: 8px 12px;
    background-color: var(--accent-color);
    border-radius: 4px;
    color: var(--bg-dark);
    font-size: 0.9rem;
    font-weight: 600;
    white-space: normal !important;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%);
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}